Home / 36,690.57-50,632.83-20,774.61

Finding the Fourth Proportional to 36,690.57, 50,632.83 and 20,774.61

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Solution

The fourth proportional to 36,690.57, 50,632.83 and 20,774.61 is: 28,668.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,690.57 : 50,632.83 = 20,774.61 : x
  2. Step 2: Convert to fraction form
    36,690.57/50,632.83 = 20,774.61/x
  3. Step 3: Cross multiply
    36,690.57x = 50,632.83 × 20,774.61
  4. Step 4: Simplify right side
    36,690.57x = 1,051,877,296.45
  5. Step 5: Solve for x
    x = 1,051,877,296.45/36,690.57
  6. Step 6: Final answer
    x = 28,668.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.